Trail Running Calendar United Kingdom 2026-2027

Welcome to the most comprehensive guide to trail races in the UK for 2026-2027! Our curated list features an impressive 2298 trail runs across the enchanting landscapes of Scotland, and Wales. From the iconic trails of London's green outskirts to the rugged terrains near Birmingham, from Glasgow's scenic paths to Liverpool's historic routes, we've got every trail enthusiast covered.

Whether you're a seasoned trail runner looking for your next challenge or a newbie eager to explore the world of off-road running, our calendar is your one-stop solution. Dive deep into the details by searching for a specific location or simply browse through to discover new trail runs. Looking for all running events? Check out the complete Running Calendar United Kingdom on running.life.

A 10K trail through the historic grounds of Loseley Park on September 6th 2026, featuring private estate running, accurate timed results, official photography and bespoke finisher medals.

An off-road 10 km race along the Flitch Way near Takeley, with chip timing, finisher T-shirt and medal, water stations and on-course first aid. The event also includes a family fun run and raises funds for the local village hall charity.

A multi-stage ultra along the spine of Wales from Conwy Castle to Cardiff Castle, covering about 380 km over six days. Two shorter two day challenges, Dragon's Fire and Dragon's Tail, cover northern and southern sections.

Enjoy a Peak District fell race at Oxspring Playing Field, a punchy 6.2 km course with 190 m of ascent through scenic terrain. On the day entries welcome for a modest fee and the event is part of an eight race series.

A guided *10 km* trail run around Silent Pool in Albury, Surrey, using sections of the North Downs Way and Netley Heath and passing film locations in Shere. Events run at sunset or at night with headtorch in the darker months, led by an exp..

Experience an autumn trail run through the footpaths and bridleways of Boreham. This 10k event features a sunset start with a scenic off road route and a seasonal championship point system for participants.

A summer evening 5 km series across three Edinburgh parks with chip timing, marked courses, finisher medals and category prizes. Enter single races for £12 each or all three for £30.

A three-race autumn trail series featuring a 5k course around Clowbridge Reservoir near Burnley. The route is two laps of a trail path, open to ages 11 and over, with a published entry fee of £6.50.

A timed, lap-based Friday run along the Thames with flexible rock up and run starts; the £10 affiliated entry is donated to Rays of Sunshine and participants receive a double-sided charity medal.

A team endurance event covering 100km along the South Downs Way in under 30 hours, with standard teams of four plus support crew and a new relay option for 2026. Teams raise funds for the Gurkha Welfare Trust.

Robin Hood 100 is a 100 mile trail ultramarathon through Sherwood Forest and nearby parks, featuring a twice-run 30 mile forest loop, marked aid stations, drop bags and a 30 hour cutoff.

A multi-duration trail event at Tehidy Woods on 12 September 2026, using a marked 4 mile loop. Runners choose from 3, 6, 9 or 12 hour formats and compete on a hilly, technical woodland course.

A guided mountain run across the 15 Welsh 3000s in Snowdonia, including the Carneddau Glyderau and Snowdon ranges and the Crib Goch traverse. About 30 miles with 4000 m of ascent and a minimum age of 18.

A beginner friendly 50 km ultramarathon along Norfolk's Boudicca Way from Diss to Norwich, open to runners and walkers with a 10 hour cutoff. The field is limited to 250 and entries include checkpoints, GPS tracking and a post race meal.

A multi-distance race series around Bewl Water near Lamberhurst, Kent, on wooded trails and quiet country lanes. Available distances include 10 km, half marathon, marathon and a 50 km ultra with measured GPX routes and published time limits..

A roughly 100 km loop around Leeds using the Leeds Country Way footpaths, mostly rural and waymarked with the owl. The event provides a GPX route, checkpoint food and a finishers' medal, and requires specific navigation and safety kit.

A family friendly inflatable obstacle run at Bakewell Showground on 12 September 2026, offering 2.5k, 5k, 10k and 15k routes with multiple inflatables, five music zones and a finisher medal.

A multi distance event along the Thames Towpath from Putney Bridge to Henley, with rest stops, GPS tracking, catering and medical support. Options include solo or team entries and a weekend festival of related walks.

A 10th edition 10.5 mile trail race across southern Dartmoor with almost 650 m of ascent, touching Ryder's Hill and the Red Lake Volcano. The route includes river and clapper bridge crossings, boggy and technical ground and finishes in Scor..

Trail ultramarathons in the Peak District on 12–13 September 2026 with distances from 12 km to 110 km, UTMB Index status and camping options. The event also forms part of the GB SLAM series.

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